*{
    margin: 0;
    padding: 0;
}
body{
    font-size: 16px;
}
.box{
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    width: 100%;
    height: 100vh;
    /* background-color: rgb(139, 170, 65); */
    background: url(./img/038b8875825d539a84a0d304f4290e0.jpg);
    background-attachment: fixed;
}
.top{
    color: #fff;
    width: 100%;
    text-align: center;
}
.top img{
    border-radius: 50%;
}
.top h3{
    font-size: 30px;
    margin: 20px 0;
    letter-spacing: 5px;
}
.bottom{
    width: 100%;
    margin-top: 40px;
}
.box ul{
    display: flex;
    justify-content: space-between;
    width: 70%;
    margin: auto;
}
.box ul li{
    list-style: none;
    float: left;
    width: 25%;
}
.box ul li a{
    display: flex;
    width: 100%;
    height: 160px;
    align-content: center;
    flex-wrap: wrap;
    text-decoration: none;
    color: #fff;
    justify-content: center;
}
.box ul li img{
    width: 48px;
    height: 48px;
}
.box ul li span{
    display: block;
    width: 100%;
    text-align: center;
}


.nav{

    width: 90%;
    color: #ffb219;
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    margin: 0 auto;
}
.nav ul li a{
    text-decoration: none;
    color: #ffb219;
}
.logo h3{
    font-size: 24px;
    letter-spacing: 3px;/*字符间距*/
}
.nav ul li{
    display: inline-block;
    margin-left: 30px;
}
.nav ul li a:hover{
    color: #cb2727b4;
}
.nav ul .active a{
    color: #cb2727b4;
}
.first{
    /* background-color: aqua; */
    height: 40px;
    width: 90%;
    margin: 0 auto;
    font-family: "楷体";
    color:#ffb219;
}
.hr1{
    width: 90%;
    height: 2px;
    border: none;
    margin: 0 auto;
    background-color: #ffb219;
}
.tab1{
    width: 70%;
    margin: 0 auto;
    /* background-color: aquamarine; */
    padding: 10px;
    border: 2px solid #ffb219;
    border-radius: 0.5cm;
}
.tab1 img{
    border-radius: 0.5cm;
}
.tab2{
    width: 70%;
    margin: 0 auto;
    /* color: #ffb219; */
    font-family: "楷体";
}